Cuadro de texto:   -  Atomic Mass: 137.9334500 ± 0.0004300 amu -  Excess Mass: -61991.000 ± 401.000 keV -  Binding Energy: 1126545.000 ± 401.000 keV -  Beta Decay Energy: B- -6073.000 ± 643.000 keV -  pin: (6-) -  Half life: 12.1 s -  Mode of decay: Electron capture to Sm-138 º  Decay energy: 9.200 MeV

 

 

 

 

 

 

 

 

 

 

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